12644152512224 has 48 divisors (see below), whose sum is σ = 24988729651200. Its totient is φ = 6297815387520.

The previous prime is 12644152512209. The next prime is 12644152512319. The reversal of 12644152512224 is 42221525144621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60452177 + ... + 60660975.

It is an arithmetic number, because the mean of its divisors is an integer number (520598534400).

Almost surely, 2^{12644152512224} is an apocalyptic number.

It is an amenable number.

12644152512224 is a deficient number, since it is larger than the sum of its proper divisors (12344577138976).

12644152512224 is a wasteful number, since it uses less digits than its factorization.

12644152512224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216063 (or 216055 counting only the distinct ones).

The product of its digits is 307200, while the sum is 41.

Adding to 12644152512224 its reverse (42221525144621), we get a palindrome (54865677656845).

The spelling of 12644152512224 in words is "twelve trillion, six hundred forty-four billion, one hundred fifty-two million, five hundred twelve thousand, two hundred twenty-four".